What is surge and how is it prevented, what is the purpose of bypass valve across AS valve.

0 Answers   ADMA OPCO,

---

How to convert gpm into inches of eater.I nerd formula with example so pls help me.

1 Answers  

---

What is loop or pigtail in an impulse line?

8 Answers   Qatar Airlines, Qatar Petroleums,

---

To find closed tank level by DP transmitter , how to findout its range.and insomeplace they using range like - 1500 to +1500 mmwc why not 0 to 3000 mmwc. how they spilit they range for minus and plus.and why?

1 Answers   Kuwait Oil Company,

---

installation process of orifice,a question asked for confusion creation in interview by BARC 1.if orifice is tightly fitted with pipe ,it will act like venturi 2.if orifice is left hanging in between liquid it will not create the pressure difference exactly,

0 Answers   BARC,

---

what is Instrument Schedule, and what it is mainly used for?

0 Answers  

---

how can be calibrate flow indication transmitter (rosemount) it shows excess milli amps nearly about 24 ma on full scale, but its scale was set on 20ma on full scale..???how can be simiulate..???

0 Answers   Siemens,

---

2. What is ultrasonic flowmeter?

1 Answers  

---

How to carry out hot loop checking of closed loop pf temperature control valve & temperature transmitter?

2 Answers  

---

when the instrument tapping on pipe line is located below and transmitter is located above the tapping point for liquid service transmitter, what should we do, is there any additional drain valve is required??

0 Answers  

---

How we are deciding while programming in pid controller , What we are using heating or cooling.

1 Answers  

---

Linear amplifier.

0 Answers   CCIE,

---